{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "102143",
    "entityType": "User",
    "nonce": "0xe0f382f03c01f3f51ad20855e0bd700aea82e7e2b778688dba5dcf9bed4d9c6d",
    "signature": "0x574d4cb2dc0b85e5d0f3c7b8fb3619da4edf9a3d4d1bb8899e56d93de18527a473484d7f07155047865d2e938ef45a4aeff196338b57f6b01d2ed460eff9c7cd1c",
    "signer": "0xd12A323399559A3773F865c8F21031bc39c29135",
    "userId": "219968466"
  }
}